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To support REC stakeholders in their readiness for Market-wide Half Hourly Settlement (MHHS) the following events have been held:
MHHS M8 Release Webinar - 16 July 2025
The Code Manager hosted a MHHS M8 2025 REC Release Webinar on 16 July 2025 which provided an overview of the Change Proposals included in the M8 REC Release due to be implemented on 22 September 2025.
Take a look at the REC Portal Event Page for the recording and slides from the webinar
Electricity Enquiry Service (EES), MHHS Live Demo - 15 July 2025
RECCo recently welcomed around 400 EES users to a live demo exploring upcoming changes to the EES Portal, ahead of MHHS go-live at Milestone 10 (M10).
Hosted by RECCo's MHHS Service Lead, Jonny Moore, the session also covered clarity on Meter Point Administration Number (MPAN) toplines, Customer Direct Contract indicators and the display of Annual Consumption Data.
You can view the recording and supporting documentation here on the RECCo website.
New Meter Configuration Tables Webinar - 09 July 2025
As part of MHHS implementation, the enumeration tables for Standard Settlement Configuration (SSC) and Time Pattern Regime (TPR) will transfer to the REC.
Further to the new guidance developed on the New Meter Configuration Tables available on the REC Portal, REC hosted a webinar on 09 July 2025 to take stakeholders through the detailed information.
You can view the slides and recording from this webinar on the REC Portal Event Page
REC MHHS Training Event - 13 February 2025
Most recently RECCo hosted the REC MHHS training event on 13 February 2025 in London. To help participants navigate the changes ahead, industry experts were brought together to cover key elements of the MHHS transition. Through a series of insightful presentations and discussions, our speakers provided valuable guidance on REC impacts, code drafting, performance assurance and qualification, change management, and operational readiness.
For those that weren't able to attend, the following recordings of the presentations are available on the REC MHHS Engagement Day 2025 Playlist on the RECCo YouTube channel:
- Welcome from Sid Cox – CEO, RECCo – watch clip
- Introduction from Jenny Boothe – Head of MHHS, Ofgem – watch clip
- REC Impacts from Jon Hawkins & Jonny Moore, RECCo – watch clip
- REC Impacts Q&A Discussion – watch clip
- REC Code Drafting from Andrew Wallace, RECCo – watch clip
- REC Performance Assurance & MHHS Qualification from Daniel Rodgers, REC Code Manager – watch clip
- Change Management from Harriet Truss, REC Code Manager – watch clip
- REC Operational Readiness from April Harbour & Beth Brown, REC Code Manager, and Andrew Wallace, RECCo – watch clip
Full details of the event, including the slides presented and Q&A captured on the day, can be found on the RECCo website, REC MHHS Training Event: Insights and Next Steps.
Countdown to MHHS Settlement - 18 July 2024
On 18 July 2024, RECCo hosted a webinar for all REC Parties to explain the significant changes that Market-Wide Half Hourly Settlement will bring to REC arrangements. The webinar also covered the tasks REC Parties must complete to ensure REC compliance at MHHS go-live. Experts from RECCo and the Code Manager discussed the following key topics:
- Changes to REC-owned data flows
- The impact on CSS Switching arrangements
- REC Change Proposal R0083, which details changes to the Supply Number format
- The introduction of a table detailing metering configuration domain data
- The changes being made to support forward/reverse migration
- REC Performance Assurance and MHHS
- Changes being made to the Electricity Enquiry Service
Full details of the event can be found on the RECCo website, Webinar round-up: Countdown to MHHS.
Webinar: Changes to the Electricity Enquiry Service for MHHS - 06 July 2023
On 06 July 2023, RECCo hosted a webinar about the upcoming changes to the Electricity Enquiry Service that will affect all EES Users. To find a summary of the event, download the slides and watch a recording of the webinar please visit the RECCo website. Frequently asked questions can also be found on this page.